modulators. The Alcatel 1915 LMM is

optimized for 10 Gbit/s TDM transmission

• InGaAsP monolithically integrated DFB laser and

• High frequency RF connector package with

50 Ω RF impedance

• Low drive voltage ( ≤ 2 Vpp)

• Internal optical isolator

• High power available

• Wavelength selection according to ITU-T G.692

Applications

• STM-64 and OC-192 intermediate and long

Operating current Iop CW, Vbias = 0 V 60 80 mA

Optical output power PAVE

PAVE

Iop, Vmod, [1], [2]

Iop, Vmod, [1], [3] 0

- 3 dBm

dBm

Laser forward voltage VF CW, Iop, Vbias = 0 V 2 V

Modulator bias voltage Vbias - 2 0 V

Modulator drive voltage Vmod See [1] 2 V

Dynamic extinction ratio DER Iop, [1], [2 ], [3] 10 dB

Emission wavelength λm See table 1 nm

∆(emitted-tar get) wavelength ∆λe See [4 ] - 0.1 + 0.1 nm

Laser chip tem perature range for tunability Tλ See [4] 20 30 °C

Rise time / Fall time Tr/Tf See [1], 10%, 90% 45 ps

Wavelength drift vs Tcase ∆λ/∆Tc 0.5 pm/°C

Monitor diode current Im Iop, VM = - 5 V 0.2 1.5 mA

Dark current Id 0.1 µA

TEC current It∆T= 50 °C, Io

eratin

case tem

erature -5 70 °C

Stora

e tem

Laser forward current 150 m

Photodiode reverse volta

TEC Volta

[1] Human body model Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only.

N° Description

1Thermistor

table1 on the right

OBSERVE

ELECTROSTATIC

DISCHARGE